Agent Notary

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io.github.jdhart81/agent-notaryv0.2.0

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

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https://mcp.viridisconservation.com/notary/mcp

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commit

Commit to a deliverable BEFORE handover. commit_hash = sha256(salt || sha256(content)) as 64 hex chars; deadline is ISO-8601; context links the escrow/job. Idempotent per (committer, nonce).

noncestring, required

deadlinestring, required

committerstring, required

commit_hashstring, required

contextstring

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Tools (8)

commit

Commit to a deliverable BEFORE handover. commit_hash = sha256(salt || sha256(content)) as 64 hex chars; deadline is ISO-8601; context links the escrow/job. Idempotent per (committer, nonce).

Argument	Type	Description
nonce*	string
context	string
deadline*	string
committer*	string
commit_hash*	string

Input schema (JSON)

{
  "type": "object",
  "title": "commitArguments",
  "required": [
    "committer",
    "nonce",
    "commit_hash",
    "deadline"
  ],
  "properties": {
    "nonce": {
      "type": "string",
      "title": "Nonce"
    },
    "context": {
      "type": "string",
      "title": "Context",
      "default": ""
    },
    "deadline": {
      "type": "string",
      "title": "Deadline"
    },
    "committer": {
      "type": "string",
      "title": "Committer"
    },
    "commit_hash": {
      "type": "string",
      "title": "Commit Hash"
    }
  }
}

commitment_status

Current record for a commitment (pre-reveal, salt/digest stay hidden).

Argument	Type	Description
commitment_id*	string

Input schema (JSON)

{
  "type": "object",
  "title": "commitment_statusArguments",
  "required": [
    "commitment_id"
  ],
  "properties": {
    "commitment_id": {
      "type": "string",
      "title": "Commitment Id"
    }
  }
}

describe_agent

Return capabilities and input contract.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "title": "describe_agentArguments",
  "properties": {}
}

get_orc_commitment

Registry lookup: is this ORC commitment sealed by this notary? Returns digest, issuer, profile, attestation and registered_at, or NotFound.

Argument	Type	Description
commitment*	string

Input schema (JSON)

{
  "type": "object",
  "title": "get_orc_commitmentArguments",
  "required": [
    "commitment"
  ],
  "properties": {
    "commitment": {
      "type": "string",
      "title": "Commitment"
    }
  }
}

list_commitments

List commitments, optionally filtered by state (PENDING|REVEALED|EXPIRED).

Argument	Type	Description
state	any

Input schema (JSON)

{
  "type": "object",
  "title": "list_commitmentsArguments",
  "properties": {
    "state": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "State",
      "default": null
    }
  }
}

reveal

Reveal the committed content's digest + salt after handover. Verifies against the commitment (one bit of drift fails); returns a delivery_proof string for escrow release. Late reveals expire the commitment.

Argument	Type	Description
salt*	string
commitment_id*	string
content_digest*	string

Input schema (JSON)

{
  "type": "object",
  "title": "revealArguments",
  "required": [
    "commitment_id",
    "salt",
    "content_digest"
  ],
  "properties": {
    "salt": {
      "type": "string",
      "title": "Salt"
    },
    "commitment_id": {
      "type": "string",
      "title": "Commitment Id"
    },
    "content_digest": {
      "type": "string",
      "title": "Content Digest"
    }
  }
}

seal_outcome_receipt

Seal an agent output as an Outcome Receipt (ORC v0.1) and register its commitment. Returns a portable receipt anyone can verify offline (L1) and against this notary's registry (L2). The notary attests integrity and time ("notarized"), not correctness. No floats in output; stores only digests. Spec: docs/standards/OUTCOME_RECEIPT_v0.1.md

Argument	Type	Description
output*	object
profile	string
subject	any
bindings	any
excludes	any

Input schema (JSON)

{
  "type": "object",
  "title": "seal_outcome_receiptArguments",
  "required": [
    "output"
  ],
  "properties": {
    "output": {
      "type": "object",
      "title": "Output",
      "additionalProperties": true
    },
    "profile": {
      "type": "string",
      "title": "Profile",
      "default": "generic"
    },
    "subject": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "null"
        }
      ],
      "title": "Subject",
      "default": null
    },
    "bindings": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "null"
        }
      ],
      "title": "Bindings",
      "default": null
    },
    "excludes": {
      "anyOf": [
        {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        {
          "type": "null"
        }
      ],
      "title": "Excludes",
      "default": null
    }
  }
}

verify

Independently verify a revealed commitment; optionally check it against the digest of content you received.

Argument	Type	Description
commitment_id*	string
content_digest	any

Input schema (JSON)

{
  "type": "object",
  "title": "verifyArguments",
  "required": [
    "commitment_id"
  ],
  "properties": {
    "commitment_id": {
      "type": "string",
      "title": "Commitment Id"
    },
    "content_digest": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Content Digest",
      "default": null
    }
  }
}